Lennox LI036CO-180P432 Owner's Manual page 45

Wired Controller(Optional)
Timer on setting under the "Off" state of the unit is shown as Fig.3.5.2.
Timer range: 0.5-24hr. Every press of ▲or ▼ will make the set time increased or decreased by
0.5hr. If either of them is pressed continuously, the set time will increase/ decrease by 0.5hr every
0.5s.
Fig.3.5.2 Timer on Setting under the "Off" State of the Unit
42